/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-02 23:30:10,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-02 23:30:10,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-02 23:30:10,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-02 23:30:10,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-02 23:30:10,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-02 23:30:10,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-02 23:30:10,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-02 23:30:10,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-02 23:30:10,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-02 23:30:10,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-02 23:30:10,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-02 23:30:10,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-02 23:30:10,885 INFO L153 SettingsManager]: * Use SBE=true [2024-05-02 23:30:10,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-02 23:30:10,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-02 23:30:10,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-02 23:30:10,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-02 23:30:10,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-02 23:30:10,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-02 23:30:10,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-02 23:30:10,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-02 23:30:10,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-02 23:30:10,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-02 23:30:10,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-02 23:30:10,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-02 23:30:10,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-02 23:30:10,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-02 23:30:10,896 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-02 23:30:10,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-02 23:30:10,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-02 23:30:10,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-02 23:30:10,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-02 23:30:10,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-02 23:30:10,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-02 23:30:10,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-02 23:30:11,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-02 23:30:11,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-02 23:30:11,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-02 23:30:11,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-02 23:30:11,161 INFO L274 PluginConnector]: CDTParser initialized [2024-05-02 23:30:11,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-02 23:30:12,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-02 23:30:12,673 INFO L384 CDTParser]: Found 1 translation units. [2024-05-02 23:30:12,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-02 23:30:12,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f4f9ea96/84fd852b46954e5c82067bebd15e43fc/FLAG56f9634af [2024-05-02 23:30:12,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f4f9ea96/84fd852b46954e5c82067bebd15e43fc [2024-05-02 23:30:12,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-02 23:30:12,728 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-02 23:30:12,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-02 23:30:12,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-02 23:30:12,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-02 23:30:12,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:30:12" (1/1) ... [2024-05-02 23:30:12,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bf86a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:12, skipping insertion in model container [2024-05-02 23:30:12,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:30:12" (1/1) ... [2024-05-02 23:30:12,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-02 23:30:13,272 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-02 23:30:13,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-02 23:30:13,307 INFO L202 MainTranslator]: Completed pre-run [2024-05-02 23:30:13,350 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-02 23:30:13,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-02 23:30:13,467 INFO L206 MainTranslator]: Completed translation [2024-05-02 23:30:13,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13 WrapperNode [2024-05-02 23:30:13,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-02 23:30:13,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-02 23:30:13,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-02 23:30:13,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-02 23:30:13,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,541 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-05-02 23:30:13,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-02 23:30:13,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-02 23:30:13,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-02 23:30:13,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-02 23:30:13,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-02 23:30:13,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-02 23:30:13,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-02 23:30:13,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-02 23:30:13,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (1/1) ... [2024-05-02 23:30:13,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-02 23:30:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:30:13,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-02 23:30:13,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-02 23:30:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-02 23:30:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-02 23:30:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-05-02 23:30:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-02 23:30:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-02 23:30:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-02 23:30:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-02 23:30:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-02 23:30:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-02 23:30:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-02 23:30:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-02 23:30:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-02 23:30:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-02 23:30:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-02 23:30:13,676 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-02 23:30:13,814 INFO L241 CfgBuilder]: Building ICFG [2024-05-02 23:30:13,816 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-02 23:30:13,986 INFO L282 CfgBuilder]: Performing block encoding [2024-05-02 23:30:14,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-02 23:30:14,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-02 23:30:14,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:30:14 BoogieIcfgContainer [2024-05-02 23:30:14,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-02 23:30:14,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-02 23:30:14,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-02 23:30:14,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-02 23:30:14,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:30:12" (1/3) ... [2024-05-02 23:30:14,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b11021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:30:14, skipping insertion in model container [2024-05-02 23:30:14,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:30:13" (2/3) ... [2024-05-02 23:30:14,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b11021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:30:14, skipping insertion in model container [2024-05-02 23:30:14,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:30:14" (3/3) ... [2024-05-02 23:30:14,012 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2024-05-02 23:30:14,020 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-02 23:30:14,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-02 23:30:14,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-02 23:30:14,028 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-02 23:30:14,105 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-02 23:30:14,161 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:30:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:30:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:30:14,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:30:14,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-02 23:30:14,230 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:30:14,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-02 23:30:14,243 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b3aa413, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:30:14,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:30:14,251 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:30:14,273 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 72 states. [2024-05-02 23:30:14,273 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:30:14,276 INFO L78 Accepts]: Start accepts. Automaton has currently 74 states, but on-demand construction may add more states Word has length 64 [2024-05-02 23:30:14,279 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:30:14,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:30:14,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:30:14,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1183705868, now seen corresponding path program 1 times [2024-05-02 23:30:14,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:30:14,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070066631] [2024-05-02 23:30:14,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:30:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:14,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:30:14,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070066631] [2024-05-02 23:30:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070066631] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:30:14,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:30:14,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-02 23:30:14,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206215589] [2024-05-02 23:30:14,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:30:14,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-02 23:30:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:30:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-02 23:30:14,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-02 23:30:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:14,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:30:14,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:30:14,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:14,674 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:30:14,726 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 75 states. [2024-05-02 23:30:14,726 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:30:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:14,727 INFO L78 Accepts]: Start accepts. Automaton has currently 76 states, but on-demand construction may add more states Word has length 66 [2024-05-02 23:30:14,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:30:14,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-02 23:30:14,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:30:14,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:30:14,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1935053649, now seen corresponding path program 1 times [2024-05-02 23:30:14,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:30:14,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986155768] [2024-05-02 23:30:14,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:30:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:15,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:30:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986155768] [2024-05-02 23:30:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986155768] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:30:15,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:30:15,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-02 23:30:15,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146732212] [2024-05-02 23:30:15,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:30:15,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-02 23:30:15,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:30:15,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-02 23:30:15,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-02 23:30:15,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:30:15,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:30:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,099 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:30:15,222 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 78 states. [2024-05-02 23:30:15,222 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:30:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:30:15,223 INFO L78 Accepts]: Start accepts. Automaton has currently 79 states, but on-demand construction may add more states Word has length 68 [2024-05-02 23:30:15,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:30:15,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-02 23:30:15,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:30:15,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:30:15,227 INFO L85 PathProgramCache]: Analyzing trace with hash 906515818, now seen corresponding path program 1 times [2024-05-02 23:30:15,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:30:15,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565208426] [2024-05-02 23:30:15,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:15,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:30:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:15,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:30:15,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565208426] [2024-05-02 23:30:15,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565208426] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:30:15,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:30:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-02 23:30:15,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864476181] [2024-05-02 23:30:15,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:30:15,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-02 23:30:15,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:30:15,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-02 23:30:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-02 23:30:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:30:15,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:30:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:30:15,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:15,807 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:30:16,036 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 83 states. [2024-05-02 23:30:16,036 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:30:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:30:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:30:16,037 INFO L78 Accepts]: Start accepts. Automaton has currently 84 states, but on-demand construction may add more states Word has length 72 [2024-05-02 23:30:16,040 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:30:16,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-02 23:30:16,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:30:16,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:30:16,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1394703758, now seen corresponding path program 1 times [2024-05-02 23:30:16,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:30:16,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542390739] [2024-05-02 23:30:16,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:30:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:16,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:30:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542390739] [2024-05-02 23:30:16,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542390739] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:30:16,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273598209] [2024-05-02 23:30:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:16,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:30:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:30:16,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:30:16,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-02 23:30:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:16,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-02 23:30:16,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:30:17,020 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-02 23:30:17,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-02 23:30:17,056 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-02 23:30:17,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-02 23:30:17,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-02 23:30:17,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-02 23:30:17,518 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-02 23:30:17,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-02 23:30:17,647 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-02 23:30:17,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-02 23:30:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:17,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:30:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:18,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273598209] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:30:18,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:30:18,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20, 18] total 44 [2024-05-02 23:30:18,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940873028] [2024-05-02 23:30:18,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:30:18,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-02 23:30:18,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:30:18,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-02 23:30:18,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2024-05-02 23:30:18,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:18,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:30:18,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.363636363636363) internal successors, (192), 44 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:30:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:30:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:30:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:18,906 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:30:20,489 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 117 states. [2024-05-02 23:30:20,489 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:30:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:30:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:30:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:30:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-02 23:30:20,490 INFO L78 Accepts]: Start accepts. Automaton has currently 118 states, but on-demand construction may add more states Word has length 84 [2024-05-02 23:30:20,491 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:30:20,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-02 23:30:20,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:30:20,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:30:20,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:30:20,692 INFO L85 PathProgramCache]: Analyzing trace with hash 863816186, now seen corresponding path program 2 times [2024-05-02 23:30:20,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:30:20,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018598243] [2024-05-02 23:30:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:30:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:30:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:30:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:21,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:30:21,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018598243] [2024-05-02 23:30:21,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018598243] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:30:21,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036960976] [2024-05-02 23:30:21,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-02 23:30:21,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:30:21,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:30:21,476 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:30:21,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-02 23:30:21,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-02 23:30:21,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-02 23:30:21,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-02 23:30:21,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:30:21,646 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-02 23:30:21,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-02 23:30:21,676 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-02 23:30:21,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-02 23:30:21,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-02 23:30:21,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-02 23:30:22,042 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-02 23:30:22,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-02 23:30:22,184 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-02 23:30:22,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-02 23:30:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-02 23:30:22,262 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-02 23:30:22,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-02 23:30:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-02 23:30:22,340 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-02 23:30:22,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-02 23:30:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-02 23:30:22,430 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-02 23:30:22,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-02 23:30:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:30:22,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:31:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 12 refuted. 4 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-02 23:31:11,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036960976] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:31:11,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:31:11,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 22] total 53 [2024-05-02 23:31:11,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437726940] [2024-05-02 23:31:11,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:31:11,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-05-02 23:31:11,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:31:11,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-05-02 23:31:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=2516, Unknown=15, NotChecked=0, Total=2756 [2024-05-02 23:31:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:11,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:31:11,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.245283018867925) internal successors, (225), 53 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:31:11,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:11,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-02 23:31:11,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:31:11,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-02 23:31:11,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:11,960 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:31:13,834 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:31:13,834 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:13,835 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,043 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 140 states. [2024-05-02 23:31:14,044 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:31:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-02 23:31:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:31:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-02 23:31:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-02 23:31:14,045 INFO L78 Accepts]: Start accepts. Automaton has currently 141 states, but on-demand construction may add more states Word has length 57 [2024-05-02 23:31:14,049 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:31:14,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-02 23:31:14,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:31:14,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:31:14,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:31:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash -834418374, now seen corresponding path program 1 times [2024-05-02 23:31:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:31:14,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011460616] [2024-05-02 23:31:14,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:31:14,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:31:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:31:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:31:14,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:31:14,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011460616] [2024-05-02 23:31:14,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011460616] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:31:14,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:31:14,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-02 23:31:14,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044855414] [2024-05-02 23:31:14,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:31:14,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-02 23:31:14,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:31:14,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-02 23:31:14,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-02 23:31:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:14,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:31:14,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-02 23:31:14,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:14,345 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:31:14,373 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:31:14,373 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,373 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,568 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:31:14,569 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,569 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,601 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:31:14,601 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,601 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,631 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:31:14,631 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,632 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start___VERIFIER_assert_~expression#1, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset, ULTIMATE.start_main_#t~short12#1, thread1Thread1of1ForFork1_#t~malloc3.offset, ~v~0.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset, ~v~0.base, thread1Thread1of1ForFork1_#t~malloc3.base, #valid, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t2~0#1.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base, #StackHeapBarrier, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1] [2024-05-02 23:31:14,674 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 290 states. [2024-05-02 23:31:14,674 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:31:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:31:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-02 23:31:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:31:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-02 23:31:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-02 23:31:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-02 23:31:14,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-02 23:31:14,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-02 23:31:14,685 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-05-02 23:31:14,686 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2024-05-02 23:31:14,690 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:31:14,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:31:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:31:14,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:31:14,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-02 23:31:14,713 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:31:14,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-02 23:31:14,713 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b3aa413, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:31:14,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:31:14,714 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:31:14,745 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 56 states. [2024-05-02 23:31:14,745 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:31:14,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-02 23:31:14,748 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:31:14,748 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2024-05-02 23:31:14,754 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:31:14,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:31:14,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:31:14,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:31:14,762 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:31:14,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-02 23:31:14,763 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b3aa413, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:31:14,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:31:14,763 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:31:14,765 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 23 states. [2024-05-02 23:31:14,765 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:31:14,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-02 23:31:14,766 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:31:14,766 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2024-05-02 23:31:14,766 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-02 23:31:14,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-02 23:31:14,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:31:14 BasicIcfg [2024-05-02 23:31:14,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-02 23:31:14,770 INFO L158 Benchmark]: Toolchain (without parser) took 62042.19ms. Allocated memory was 158.3MB in the beginning and 382.7MB in the end (delta: 224.4MB). Free memory was 84.5MB in the beginning and 274.3MB in the end (delta: -189.9MB). Peak memory consumption was 35.5MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,771 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 158.3MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-02 23:31:14,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.34ms. Allocated memory was 158.3MB in the beginning and 265.3MB in the end (delta: 107.0MB). Free memory was 84.2MB in the beginning and 224.0MB in the end (delta: -139.8MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.23ms. Allocated memory is still 265.3MB. Free memory was 224.0MB in the beginning and 221.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,771 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 265.3MB. Free memory was 221.4MB in the beginning and 219.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,771 INFO L158 Benchmark]: RCFGBuilder took 415.70ms. Allocated memory is still 265.3MB. Free memory was 219.8MB in the beginning and 204.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,775 INFO L158 Benchmark]: TraceAbstraction took 60765.75ms. Allocated memory was 265.3MB in the beginning and 382.7MB in the end (delta: 117.4MB). Free memory was 203.0MB in the beginning and 274.3MB in the end (delta: -71.3MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2024-05-02 23:31:14,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2024-05-02 23:31:14,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 158.3MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 738.34ms. Allocated memory was 158.3MB in the beginning and 265.3MB in the end (delta: 107.0MB). Free memory was 84.2MB in the beginning and 224.0MB in the end (delta: -139.8MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.23ms. Allocated memory is still 265.3MB. Free memory was 224.0MB in the beginning and 221.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 265.3MB. Free memory was 221.4MB in the beginning and 219.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 415.70ms. Allocated memory is still 265.3MB. Free memory was 219.8MB in the beginning and 204.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 60765.75ms. Allocated memory was 265.3MB in the beginning and 382.7MB in the end (delta: 117.4MB). Free memory was 203.0MB in the beginning and 274.3MB in the end (delta: -71.3MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 243, independent: 159, independent conditional: 159, independent unconditional: 0, dependent: 84, dependent conditional: 84, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 159, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 159, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 159, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 159, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 159, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 159, unknown conditional: 0, unknown unconditional: 159] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 159, Positive conditional cache size: 0, Positive unconditional cache size: 159, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 84 - StatisticsResult: Reduction benchmarks 21.6ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 72, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 51.7ms Time before loop, 0.0ms Time in loop, 0.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 75, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 122.6ms Time before loop, 0.0ms Time in loop, 0.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 78, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 228.9ms Time before loop, 0.0ms Time in loop, 0.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 83, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1582.7ms Time before loop, 0.0ms Time in loop, 1.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 117, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1873.8ms Time before loop, 209.5ms Time in loop, 2.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 1, Reduction States: 140, Duplicate States: 0, Protected Variables: 19 - StatisticsResult: Reduction benchmarks 27.4ms Time before loop, 301.1ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 290, Duplicate States: 0, Protected Variables: 19 - StatisticsResult: Visitor Statistics States: 65, Transitions: 64, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 67, Transitions: 67, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 69, Transitions: 70, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 73, Transitions: 76, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 104, Transitions: 114, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 126, Transitions: 142, Traversal time: 2.1s - StatisticsResult: Visitor Statistics States: 267, Transitions: 322, Traversal time: 0.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 6, RedundantProofs: 1, ProvenStates: 80, Times there's more than one choice: 52, Avg number of choices: 3.525 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 31.6ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 56, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 57, Transitions: 56, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 1.6ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 23, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 24, Transitions: 23, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - PositiveResult [Line: 1107]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 60.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 54.9s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 713 ConstructedInterpolants, 63 QuantifiedInterpolants, 8180 SizeOfPredicates, 35 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 28/117 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-02 23:31:14,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-05-02 23:31:15,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-05-02 23:31:15,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-02 23:31:15,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...